All types of direct heating equipment convey heat without ducts, and the products of ____ must be vented outside.
A. convection
B. reversion
C. combustion
D. reduction
Answer: C
You might also like to view...
The temperature and pressure relief valve must be located within the top ____ inches of the water heater.
a. 4 b. 6 c. 8 d. 12
"Lame-duck" President James Buchanan asserted following the presidential election of 1860 that
A. southern states had a legal right to secede from the Union. B. southern states did not have any legitimate political or economic grievances against the northern states. C. the election of 1860 was a fraud. D. southern states had no choice but to secede from the Union. E. southern states could not legally secede under the Constitution, but was unable to find the presidential authority under the Constitution to use American armed forces to prevent the seven southern states that had voted for secession from doing so.
An uninterrupted expanse of floor or roof ______________ creates a strong horizontal shear-resisting diaphragm that prevents the building from twisting and racking horizontally and share its shear strength with walls below.
A. Sheeting B. Concrete C. panels D. tiles
Set-up time specifies ________
A) the minimum time required for the control levels to be maintained at the inputs of a flip-flop prior to the triggering edge of the clock in order for data to be reliably clocked into the component B) how long it takes the output to change states after the clock has transitioned C) how long the operator has in order to get the flip-flop running before the maximum power level is exceeded D) the maximum time interval required for the control levels to remain on the inputs before the triggering edge of the clock in order for the data to be reliably clocked out of the FF